MCQOPTIONS
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				| 1. | 
                                    The function of an oil control orifice is that it | 
                            
| A. | eturns cylinder head lubricating oil to the oil pan at high speed | 
| B. | urns oil into fine mist for spray lubrication | 
| C. | egulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes | 
| D. | emoves impurities from cylinder head lubricating oil | 
| Answer» D. emoves impurities from cylinder head lubricating oil | |